AVX Corporation has released the TransGuard Automotive VGAH Series High-Temperature, Glass-Encapsulated multilayer varistors (MLVs).
- Qualified to AEC-Q200
- Rated for operating temperatures up to 150 C (302 F)
- Designed for use in wide variety of high-energy, harsh-environment applications
- Comprised of zinc oxide (ZnO) based ceramic semiconductor devices with nonlinear, bidirectional voltage-current (V-I) characteristics similar to those of back-to-back Zener diodes
- Includes EMI/RFI attenuation
- Combines bi-directional overvoltage circuit protection and EMI/RFI filtering functions in a single, high-reliability SMT device
- Features high current- and energy-handling capabilities
- Very fast, sub-nanosecond (<1nS) response times to ESD strikes, multiple-strike capabilities, high energy absorption/load dump, low leakage, and excellent solderability
- Glass encapsulation ensures impermeable protection against harsh environments and processes, including acids, salt, and chlorine flux
- No derating requirements for energy and current over full range of operating temperatures from -55-150 C (-67-302 F).
- Available in five chip sizes (1206, 1210, 1812, 2220, and 3220)
- Offers 16–31V DC working voltages, 40–57V clamping voltages, 0.6–13J energy ratings, 1.5–50J load dump energy, 200–1,800A peak current ratings, and 700–15,000pF capacitance
- Well suited for use in high-temperature, harsh-environment DC motor, pencil coil, local interconnect network (LIN) bus, electrical control unit (ECU), turbocharger, sensor, and relay applications in commercial, hybrid electric (HEV), plug-in hybrid electric (PHEV), and internal combustion engine (ICE) vehicles
- Also suited for use in automation and downhole drilling equipment, and renewable energy systems
- Provides TVS protection in on-state and broadband EMI/RFI filtering in off-state
- Compact, ruggedly designed form factor satisfies increasingly common demands for lightweight, space-saving, multifunctional components
- Includes RoHS-compliant nickel-barrier-over-pure-tin (Ni/Sn) terminations
- Compliant with the ESD performance requirements defined in the AEC-Q200, IEC 61000-4-2, and ISO 10605 standards
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